- Correspondence to Professor Wei Wei, Beijing Key Laboratory of Functional Gastrointestinal Disorders Diagnosis and Treatment of Traditional Chinese Medicine, Wangjing Hospital, China Academy of Chinese Medical Sciences, N0.6 Wangjing Zhonghuan Road, Chaoyang District, Beijing 100102, China;
- Accepted 13 May 2017
- Published in print 7 July 2017.
- Published online 8 July 2017.
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